| ���ڶ��������BP���������ģ�͵�GPS�߳��쳣��� |
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| 引用本文： | 王小辉,王琪洁,丁元兰,刘建.���ڶ��������BP���������ģ�͵�GPS�߳��쳣���[J].大地测量与地球动力学,2012,32(6):103-105. |
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| 作者姓名： | 王小辉 王琪洁 丁元兰 刘建 |
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| 作者单位： | 中南大学地球科学与信息物理学院,长沙,410083 |
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| 基金项目： | 国家自然科学基金(U1231105,10878026) |
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| 摘 要： | ??????????????BP??????????????????????????У?????????????????????????????????硣?????????????GPS?????????б?????,?????????????????????????????????????????????????????????????????????????????????????????????????
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| 关 键 词： | ??????????? BP????????? ????? ???????????? ???????? |
COMBINED MODEL IN HEIGHT ANOMALY FITTING |
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| Wang Xiaohui,Wang Qijie,Ding Yuanlan and Liu Jian.COMBINED MODEL IN HEIGHT ANOMALY FITTING[J].Journal of Geodesy and Geodynamics,2012,32(6):103-105. |
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| Authors: | Wang Xiaohui Wang Qijie Ding Yuanlan and Liu Jian |
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| Institution: | (School of Geosciences and Info-Physics,Central South University,Changsha 410083) |
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| Abstract: | The combined model based on the quadratic surface model and BP neural network model is applied to the GPS height anomaly fitting, while the combination is determined from the variance reciprocal method and general regression neural network (GRNN). The GPS elevation data in a certain area is used, the results show that both the accuracy and reliability with the combined model are more superior to the single models, and the fitting accuracy with the combined model based on general regression neural network (GRNN) is better than that with the combined model based on the variance reciprocal method. |
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| Keywords: | quadratic surface model BP neutral network model height anomaly general regression neural network variance reciprocal method |
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